Product Description
General introduction:
Tapered drill rod, another name called taper rod, tapered drill steels, This provides a hexagonal chuck section to provide leverage for the rotation chuck bushing. It usually has a forged collar to maintain the proper shank striking face position in the rock drill, and a tapered bit end. Tapered steel lengths—available from 0.6 m to 3.6 m in length—are measured from the collar to the bit end.
Shank Hexagon: 19 x108 mm, 22x 108mm, 25 x108 mm, 25 mmX159 mm 6, 7, 11, 12 degree taper in most lengths, taper degree of drill steel is mostly imports for excellent drilling productivity.
For drilling medium-hard to hard and abrasive rock formations, Taper angles of 11 and 12-degrees are normally used on modern drill rigs, like our model no. PD-Y58 crawler hydraulic rock drill. Also for Y6, Y10, Y24, YT24, Mobile rock drill pneumatic and hydraulic.
| Shank Style |
Length |
Tapered Angle |
| mm |
foot/inch |
| Hex19 × 108mm |
400 ~ 4,000 |
1’ 4” ~ 13’ 1” |
4 degree, 7 degree, 11 degree, 12 degree |
| Hex22 × 108mm |
400 ~ 9,600 |
1’ 4” ~ 31’ 6” |
| Hex25 × 108mm |
600 ~ 6,400 |
1’ 11 5/8” ~ 21’ |
| Hex25 × 159mm |
800 ~ 6,400 |
2’ 7” ~ 21’ |
Main Products
- 1-12 inch middle-low/high air pressure DTH hammers & bits
- Big hole high air pressure DTH hammer using in water well, oil, gas and construction drilling
- Eccentric overburden drilling Equipment
- Hole opener bit
- Rock thread bit (R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, GT60)
- Extension Rod, M/F Rod, M/m Rod, Drift Rod
- Shank adapter, coupling sleeves and all kinds of adapters
Our Advantages
Compared with the oversea brands, our advantages are bellowing:
- Our products can match over 95% against the original products.
- Prices are competitive against the famous brands and best quality against the small factories.
About Us
- Our factory has been specialized in manufacturing drilling tools and spare parts for over 10 years.
- We have advanced technology and equipment.
- Our technician has more than 13 years' professional working experience.
- Rock drilling tools are exported throughout the world. Main market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay, Philippines, Thailand, India, etc.
Product Images
Applications
Packaging & Shipping
More Products
Factory & Exhibition Overview
FAQ - Terms & Conditions
What are your payment terms for ordering?
We accept T/T (Telegraphic Transfer) or Western Union payment terms.
What is the estimated delivery time for an order?
Delivery time is based on order quantity. Normally, production takes 25 days. If we have stock of your requested size, it will only take 2 to 3 days.
What transportation methods do you recommend?
For sample orders, we suggest courier express or transportation by air. For bulk orders, we suggest shipping by air or by sea.
How do you ensure the quality of your rock drilling tools?
Strict inspections and testing are performed for every single order before it is shipped out.
How fast will the support team respond to inquiries?
Our sales team and technical support will respond to your questions within 24 hours (excluding holidays).
What is the policy for quality failures or dissatisfaction?
A free replacement will be provided once a failure caused by our product quality is confirmed. If you are not satisfied, a refund is available.
